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From:   Jing Zhang <renyu.zj@linux.alibaba.com>
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Subject: [PATCH v3 2/6] perf vendor events arm64: Add TLB metrics for neoverse-n2
Date:   Fri, 25 Nov 2022 01:14:44 +0800
Message-Id: <1669310088-13482-3-git-send-email-renyu.zj@linux.alibaba.com>
In-Reply-To: <1669310088-13482-1-git-send-email-renyu.zj@linux.alibaba.com>
References: <1669310088-13482-1-git-send-email-renyu.zj@linux.alibaba.com>
In-Reply-To: <1668411720-3581-1-git-send-email-renyu.zj@linux.alibaba.com>
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Precedence: bulk

Add TLB related metrics.

Signed-off-by: Jing Zhang <renyu.zj@linux.alibaba.com>
---
 .../arch/arm64/arm/neoverse-n2/metrics.json        | 54 ++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json
index 8628140..bb19960 100644
--- a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json
+++ b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json
@@ -30,5 +30,59 @@
         "MetricGroup": "TopdownL1",
         "MetricName": "backend_bound",
         "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "L1D_TLB_REFILL / L1D_TLB",
+        "PublicDescription": "The rate of L1D TLB refill to the overall L1D TLB lookups",
+        "BriefDescription": "L1 data TLB miss rate",
+        "MetricGroup": "TLB",
+        "MetricName": "l1d_tlb_miss_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "L1I_TLB_REFILL / L1I_TLB",
+        "PublicDescription": "The rate of L1I TLB refill to the overall L1I TLB lookups",
+        "BriefDescription": "L1 instruction TLB miss rate",
+        "MetricGroup": "TLB",
+        "MetricName": "l1i_tlb_miss_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "L2D_TLB_REFILL / L2D_TLB",
+        "PublicDescription": "The rate of L2D TLB refill to the overall L2D TLB lookups",
+        "BriefDescription": "L2 TLB miss rate",
+        "MetricGroup": "TLB",
+        "MetricName": "l2_tlb_miss_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "DTLB_WALK / INST_RETIRED * 1000",
+        "PublicDescription": "The rate of TLB Walks per kilo instructions for data accesses",
+        "BriefDescription": "The rate of TLB Walks per kilo instructions for data accesses",
+        "MetricGroup": "TLB",
+        "MetricName": "dtlb_mpki"
+    },
+    {
+        "MetricExpr": "DTLB_WALK / L1D_TLB",
+        "PublicDescription": "The rate of DTLB Walks to the overall L1D TLB lookups",
+        "BriefDescription": "D-side page table walk rate",
+        "MetricGroup": "TLB",
+        "MetricName": "dtlb_walk_rate",
+        "ScaleUnit": "100%"
+    },
+    {
+        "MetricExpr": "ITLB_WALK / INST_RETIRED * 1000",
+        "PublicDescription": "The rate of TLB Walks per kilo instructions for instruction accesses",
+        "BriefDescription": "The rate of TLB Walks per kilo instructions for instruction accesses",
+        "MetricGroup": "TLB",
+        "MetricName": "itlb_mpki"
+    },
+    {
+        "MetricExpr": "ITLB_WALK / L1I_TLB",
+        "PublicDescription": "The rate of ITLB Walks to the overall L1I TLB lookups",
+        "BriefDescription": "I-side page table walk rate",
+        "MetricGroup": "TLB",
+        "MetricName": "itlb_walk_rate",
+        "ScaleUnit": "100%"
     }
 ]
-- 
1.8.3.1